1 // RUN: %clang_cc1 -analyze -analyzer-checker=core,experimental.core -analyzer-store=region -analyzer-constraints=basic -verify %s 2 // RUN: %clang_cc1 -analyze -analyzer-checker=core,experimental.core -analyzer-store=region -analyzer-constraints=range -verify %s 3 4 #include <stdarg.h> 5 6 //===----------------------------------------------------------------------===// 7 // The following code is reduced using delta-debugging from 8 // Foundation.h (Mac OS X). 9 // 10 // It includes the basic definitions for the test cases below. 11 // Not directly including Foundation.h directly makes this test case 12 // both svelte and portable to non-Mac platforms. 13 //===----------------------------------------------------------------------===// 14 15 typedef signed char BOOL; 16 typedef unsigned int NSUInteger; 17 typedef struct _NSZone NSZone; 18 @class NSInvocation, NSMethodSignature, NSCoder, NSString, NSEnumerator; 19 @protocol NSObject - (BOOL)isEqual:(id)object; 20 @end @protocol NSCopying - (id)copyWithZone:(NSZone *)zone; 21 @end @protocol NSMutableCopying - (id)mutableCopyWithZone:(NSZone *)zone; @end 22 @protocol NSCoding - (void)encodeWithCoder:(NSCoder *)aCoder; @end 23 @interface NSObject <NSObject> {} @end 24 extern id NSAllocateObject(Class aClass, NSUInteger extraBytes, NSZone *zone); 25 @interface NSString : NSObject <NSCopying, NSMutableCopying, NSCoding> 26 - (NSUInteger)length; 27 + (id)stringWithFormat:(NSString *)format, ...; 28 @end 29 @interface NSSimpleCString : NSString {} @end 30 @interface NSConstantString : NSSimpleCString @end 31 extern void *_NSConstantStringClassReference; 32 typedef double NSTimeInterval; 33 @interface NSDate : NSObject <NSCopying, NSCoding> - (NSTimeInterval)timeIntervalSinceReferenceDate; @end 34 @class NSString, NSDictionary, NSArray; 35 @interface NSException : NSObject <NSCopying, NSCoding> {} 36 + (NSException *)exceptionWithName:(NSString *)name reason:(NSString *)reason userInfo:(NSDictionary *)userInfo; 37 - (void)raise; 38 @end 39 @interface NSException (NSExceptionRaisingConveniences) 40 + (void)raise:(NSString *)name format:(NSString *)format, ...; 41 + (void)raise:(NSString *)name format:(NSString *)format arguments:(va_list)argList; 42 @end 43 44 enum {NSPointerFunctionsStrongMemory = (0 << 0), NSPointerFunctionsZeroingWeakMemory = (1 << 0), NSPointerFunctionsOpaqueMemory = (2 << 0), NSPointerFunctionsMallocMemory = (3 << 0), NSPointerFunctionsMachVirtualMemory = (4 << 0), NSPointerFunctionsObjectPersonality = (0 << 8), NSPointerFunctionsOpaquePersonality = (1 << 8), NSPointerFunctionsObjectPointerPersonality = (2 << 8), NSPointerFunctionsCStringPersonality = (3 << 8), NSPointerFunctionsStructPersonality = (4 << 8), NSPointerFunctionsIntegerPersonality = (5 << 8), NSPointerFunctionsCopyIn = (1 << 16), }; 45 46 //===----------------------------------------------------------------------===// 47 // Test cases. 48 //===----------------------------------------------------------------------===// 49 50 int f1(int *x, NSString* s) { 51 52 if (x) ++x; 53 54 [NSException raise:@"Blah" format:[NSString stringWithFormat:@"Blah %@", s]]; 55 56 return *x; // no-warning 57 } 58 59 int f2(int *x, ...) { 60 61 if (x) ++x; 62 va_list alist; 63 va_start(alist, x); 64 65 [NSException raise:@"Blah" format:@"Blah %@" arguments:alist]; 66 67 return *x; // no-warning 68 } 69 70 int f3(int* x) { 71 72 if (x) ++x; 73 74 [[NSException exceptionWithName:@"My Exception" reason:@"Want to test exceptions." userInfo:0] raise]; 75 76 return *x; // no-warning 77 } 78 79
